Exam Question
(a) Sketch a diesel electric propulsion arrangement for a ship. (8)
(b) Describe the operation of the propulsion arrangement sketched in (a), including in your description how reversal of the propulsion motor is achieved. (8)
Class 4 (4th Engineer)
MET
📅 Apr 2025
Reference Answer
### (a) Sketch of a Diesel Electric Propulsion Arrangement
A detailed schematic diagram should be drawn illustrating a classic DC Diesel-Electric propulsion system based on the Ward-Leonard control principle. The sketch must clearly label the following components and their connections:
1. **Prime Mover:** A diesel engine operating at a constant speed.
2. **Main DC Generator:** Mechanically coupled to the diesel engine.
A detailed schematic diagram should be drawn illustrating a classic DC Diesel-Electric propulsion system based on the Ward-Leonard control principle. The sketch must clearly label the following components and their connections:
1. **Prime Mover:** A diesel engine operating at a constant speed.
2. **Main DC Generator:** Mechanically coupled to the diesel engine.
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